UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't+Eysjf5WmzOAe8cC3JWB2w1WJxMi3dBKr+7CNWGuVI=' 
WHERE 
  key_id = '4375e6d88a14fc32c3d24c55e2953426666817c1b2f67b3e0463b2b50a1830cf' 
  AND (
    token = 't+Eysjf5WmzOAe8cC3JWB2w1WJxMi3dBKr+7CNWGuVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )